CVE-2024-7784 in AXIS OS
Summary
by MITRE • 09/10/2024
During internal Axis Security Development Model (ASDM) threat-modelling, a flaw was found in the protection for device tampering (commonly known as Secure Boot) in AXIS OS making it vulnerable to a sophisticated attack to bypass this protection. To Axis' knowledge, there are no known exploits of the vulnerability at this time. Axis has released patched AXIS OS versions for the highlighted flaw. Please refer to the Axis security advisory for more information and solution.
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Analysis
by VulDB Data Team • 11/08/2024
The vulnerability identified as CVE-2024-7784 represents a critical weakness in the Axis Security Development Model (ASDM) framework specifically targeting the device tampering protection mechanisms known as Secure Boot. This flaw exists within AXIS OS firmware implementations and fundamentally compromises the integrity verification processes that are essential for preventing unauthorized modifications to device firmware. The vulnerability was discovered through internal threat modeling activities rather than external exploitation, indicating a sophisticated attack vector that could potentially bypass the fundamental security controls designed to protect against device tampering and unauthorized firmware modifications. The discovery process highlights the importance of comprehensive threat modeling in security development practices, as this weakness was not identified through conventional penetration testing but rather through systematic analysis of potential attack paths within the security architecture.
The technical implementation of Secure Boot in AXIS OS appears to contain a critical flaw that allows attackers to circumvent the cryptographic verification processes that should prevent unauthorized firmware loading. This vulnerability specifically targets the device integrity protection mechanisms that are designed to ensure only authenticated and approved firmware components can execute on the device. The flaw likely involves weaknesses in the boot chain validation process, potentially related to signature verification, key management, or the execution flow of the boot process itself. According to industry standards such as CWE-1104, this vulnerability represents a weakness in the security development lifecycle that affects the integrity protection mechanisms of the device. The implications extend beyond simple firmware modification as this bypass could potentially enable attackers to install malicious code, modify system behavior, or establish persistent backdoors within the network infrastructure.
The operational impact of CVE-2024-7784 is significant for organizations deploying Axis security devices, particularly those in critical infrastructure environments where device integrity is paramount. The vulnerability creates a pathway for attackers to compromise the core security mechanisms that protect networked devices from unauthorized access and modification. This could potentially enable attackers to gain persistent access to networked environments, escalate privileges, or redirect traffic through compromised devices. The absence of known exploits at the time of disclosure does not diminish the severity of the vulnerability, as it represents a fundamental weakness in the device's security architecture that could be leveraged by sophisticated threat actors. From an ATT&CK framework perspective, this vulnerability maps to techniques involving bootkit installation, firmware manipulation, and privilege escalation, potentially enabling adversaries to establish long-term presence within network environments.
Organizations utilizing affected Axis devices should immediately implement the patched AXIS OS versions released by the vendor to remediate this vulnerability. The security advisory from Axis provides detailed information regarding the specific affected models and the patching process, which should be prioritized as a critical security update. Network administrators should conduct thorough inventory assessments to identify all affected devices and ensure proper patch deployment across their infrastructure. The vulnerability highlights the importance of maintaining up-to-date security patches and the necessity of continuous monitoring for similar weaknesses in security implementations. Additionally, organizations should consider implementing network segmentation and monitoring solutions to detect potential exploitation attempts, as the vulnerability could be leveraged for advanced persistent threat campaigns. The incident underscores the critical nature of secure boot implementations and the need for robust threat modeling processes that can identify weaknesses in security architectures before they can be exploited by adversaries.